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Finding the Fourth Proportional to 65,996.64, 98,998.32 and 19,253.04

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Solution

The fourth proportional to 65,996.64, 98,998.32 and 19,253.04 is: 28,880.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,996.64 : 98,998.32 = 19,253.04 : x
  2. Step 2: Convert to fraction form
    65,996.64/98,998.32 = 19,253.04/x
  3. Step 3: Cross multiply
    65,996.64x = 98,998.32 × 19,253.04
  4. Step 4: Simplify right side
    65,996.64x = 1,906,018,614.89
  5. Step 5: Solve for x
    x = 1,906,018,614.89/65,996.64
  6. Step 6: Final answer
    x = 28,880.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.